PR25DD engine

1. Turn ignition switch OFF.
2. Disconnect exhaust valve timing (EVT) control solenoid valve harness connector.
3. Turn ignition switch ON.
4. Check the voltage between exhaust valve timing control solenoid valve harness connector and ground.

   +		-	Voltage
   EVT control solenoid valve
   Connector	Terminal
   F72	2	Ground	Battery voltage

Is the inspection result normal?

YES

GO TO 3.

NO

GO TO 2.

1. Turn ignition switch OFF.
2. Disconnect IPDM E/R harness connector.
3. Check the continuity between EVT control solenoid valve harness connector and IPDM E/R harness connector.

   +		+		Continuity
   EVT control solenoid valve		IPDM E/R
   Connector	Terminal	Connector	Terminal
   F72	2	F10	66	Existed

4. Also check harness for short to ground.

Is the inspection result normal?

YES

Perform the trouble diagnosis for power supply circuit.

NO

Repair or replace error-detected parts.

1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between EVT control solenoid valve harness connector and ECM harness connector.

   +		+		Continuity
   EVT control solenoid valve		ECM
   Connector	Terminal	Connector	Terminal
   F72	1	F90	115	Existed

4. Also check harness for short to ground and to power.

Is the inspection result normal?

YES

GO TO 4.

NO

Repair or replace error-detected parts.

Check the exhaust valve timing control solenoid valve. Refer to Component Inspection .

Is the inspection result normal?

YES

Check intermittent incident. Refer to Intermittent Incident .

NO

Replace exhaust valve timing control solenoid valve.